/**
* Return the translation foreign key attribute.
*
* @param StreamInterface $stream
* @return null|string
*/
public function parse(StreamInterface $stream)
{
if (!$stream->isTranslatable()) {
return null;
}
$assignments = $stream->getTranslatableAssignments();
if ($assignments->isEmpty()) {
return null;
}
return 'protected $translatedAttributes = [\'' . implode('\', \'', $assignments->fieldSlugs()) . '\'];';
}
